CN114725570A - Energy storage container air duct and energy storage container with same - Google Patents

Energy storage container air duct and energy storage container with same Download PDF

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Publication number
CN114725570A
CN114725570A CN202210532232.6A CN202210532232A CN114725570A CN 114725570 A CN114725570 A CN 114725570A CN 202210532232 A CN202210532232 A CN 202210532232A CN 114725570 A CN114725570 A CN 114725570A
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China
Prior art keywords
air
cluster
duct
section
air duct
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CN202210532232.6A
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Chinese (zh)
Inventor
张聪聪
游峰
汪承晔
顾金凤
胡佩佩
贲秋程
汤潇文
丁明亮
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Nantong Wotai New Energy Co ltd
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Nantong Wotai New Energy Co ltd
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Priority to CN202210532232.6A priority Critical patent/CN114725570A/en
Publication of CN114725570A publication Critical patent/CN114725570A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/617Types of temperature control for achieving uniformity or desired distribution of temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627Stationary installations, e.g. power plant buffering or backup power supplies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • H01M10/6563Gases with forced flow, e.g. by blowers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/66Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/251Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses an air duct of an energy storage container and an energy storage container with the air duct, wherein the air duct comprises at least one inter-cluster air duct which is correspondingly communicated with an air outlet of an air conditioner and is arranged along the direction from an air inlet end to an air outlet end of the inter-cluster air duct, any inter-cluster air duct comprises a main air duct and a plurality of branch air ducts communicated with the main air duct, the main air duct is sequentially divided into an air guide section, an air collection section and a positive air section, and the number of the branch air ducts corresponds to that of battery clusters; the air ducts in the clusters are correspondingly arranged on the back surfaces of the battery clusters one by one, the panel of the air duct in any cluster far away from the back of the corresponding battery cluster is an inclined plate which is obliquely arranged from the top to the bottom of the corresponding battery cluster to the direction close to the battery cluster, a fan is arranged at the air inlet end of the air duct in any cluster, and the air inlet end of any fan is correspondingly connected with the air outlet of a branch air duct. Through flow equalization between clusters and flow equalization in clusters, the cooling effect is improved, the consistency of the battery modules is ensured, and the service life of the system is prolonged.

Description

Energy storage container air duct and energy storage container with same
Technical Field
The invention relates to the technical field of air duct structures, in particular to an air duct of an energy storage container and the energy storage container with the air duct.
Background
In energy storage system, can use container formula lithium cell to carry out the energy storage, however in numerous lithium cell energy storage, can produce great heat, in order to guarantee battery safe and reliable operation, need dispel the heat to the battery. The cooling of energy storage container battery generally adopts the air conditioner heat dissipation, because the battery is arranged intensively in the energy storage container, the air conditioner direct air supply can lead to different batteries to obtain the volume of cold wind and is different, this can lead to having the difference in temperature between the battery, influences the uniformity of battery, the life-span of reduction system, the limitation is great, and the angle of cold wind output can't be controlled, consequently be necessary to improve prior art, adopt certain wind channel structure to carry out even heat dissipation in order to solve above-mentioned problem.
The existing energy storage scheme of the energy storage container has a distributed air conditioner cooling scheme, but the limitation lies in the problem that the refrigerating capacity of an air conditioner is not matched with the heating capacity of an energy storage battery, and the air conditioner needs to be customized. The fan used at the air outlet of the air conditioner is a centrifugal fan, so that cold air for refrigerating the air conditioner can deflect to one side under the action of the centrifugal fan, and the heat dissipation is uneven.
Disclosure of Invention
In view of the above technical problems, the present invention aims to provide an air duct for an energy storage container and an energy storage container with the air duct.
The technical scheme of the invention is as follows:
one of the purposes of the invention is to provide an air duct of an energy storage container, wherein a plurality of battery clusters arranged side by side are arranged in the energy storage container, at least one air conditioner adopting a centrifugal fan is arranged on the energy storage container, and the air duct comprises:
the air inlet end of the at least one inter-cluster air channel is correspondingly communicated with the air outlet of the air conditioner, the air inlet end of the at least one inter-cluster air channel is arranged along the direction from the air inlet end to the air outlet end of the inter-cluster air channel, any one inter-cluster air channel comprises a main air channel and a plurality of branch air channels communicated with the main air channel, the main air channel is sequentially divided into an air guide section, an air gathering section and a positive air section, the air guide section is used for gathering air conditioner air at the air gathering section, the air gathering section is used for gathering cold air deflected to one side of the centrifugal air of the air conditioner, the positive air section is used for guiding the gathered cold air and evenly distributing the cold air to the plurality of branch air channels, and the branch air channels correspond to the number of the battery clusters;
the air duct comprises a plurality of in-cluster air ducts, wherein the back faces of the battery clusters are arranged in a one-to-one correspondence mode, a panel, far away from the back portions of the corresponding battery clusters, of the in-cluster air ducts is an inclined plate which is obliquely arranged from the top portions to the bottom portions of the corresponding battery clusters towards the direction close to the battery clusters, a fan is arranged at the air inlet end of any one of the in-cluster air ducts, and the air inlet end of any one of the fans is correspondingly connected with an air outlet of one of the branch air ducts.
Preferably, the air guide section is horn-shaped, and the longitudinal section of the air guide section is reduced along the direction from the air inlet end to the air outlet end of the inter-cluster air duct;
the air gathering section is flat, and the caliber of the air gathering section is gradually reduced along the direction from the air inlet end to the air outlet end of the inter-cluster air duct;
the positive wind section is also for the platykurtic, just the positive wind section is kept away from the one end of the section that catchments is equipped with in proper order along width direction a plurality of with the branch mouth of a plurality of branch wind channel one-to-one, wherein all branch mouths that are located the intermediate position both sides all incline to set up and inclination is crescent to both sides by the centre.
Preferably, along in the direction of the air inlet end to the air outlet end of the inter-cluster air duct, the bottom panel of the air guiding section is composed of a first inclined panel and a first flat panel, the first inclined panel extends from bottom to top in an inclined manner, the first flat panel is connected with the bottom panel of the air gathering section and is flat, and the top panel of the air guiding section is horizontally arranged and perpendicular to the air conditioner.
Preferably, the bottom panels of the air guiding section, the air converging section and the positive air section are of an integrated structure, the top panel is of an integrated structure, and the side panels are of an integrated structure.
Preferably, the volumes of all the branched ducts are equal.
Preferably, in the direction from the air inlet end to the air outlet end of the cluster air duct, any cluster air duct comprises an air guide duct and a flow equalizing duct, the air inlet end of the air guide duct is provided with the fan, the air guide duct is horn-shaped, and the aperture of the air guide duct is reduced; the inclined plate is a panel of the flow equalizing air channel far away from the back of the battery pack.
Preferably, the bottom panel of the air guide duct is composed of a second inclined panel and a second flat panel, the second inclined panel is arranged in an inclined manner from outside to inside near the top end of the corresponding battery cluster, and the second flat panel is connected with the rack body at the top end of the corresponding battery cluster.
Preferably, the number of the air ducts between the clusters is at least two, at least two air ducts between the clusters are transversely arranged along the top end of the energy storage container at intervals, and any one air duct between the clusters is provided with at least two branch air ducts.
Preferably, any one of the inter-cluster air ducts is respectively installed on the top end of the battery cluster and the top panel of the energy storage container through a support frame.
Another object of the present invention is to provide an energy storage container comprising a duct according to any of the above.
Compared with the prior art, the invention has the advantages that:
according to the air duct of the energy storage container, the inter-cluster air duct and the intra-cluster air duct are arranged, and inter-cluster flow equalization and intra-cluster flow equalization are adopted, so that the cooling effect of the battery cluster is improved, the consistency of the battery modules in the battery cluster is ensured, the service life of a system is prolonged, and the problems that the consistency of the battery is influenced and the service life of the system is reduced due to the fact that the temperature difference exists among the battery modules in the battery cluster in the prior art are solved.
Drawings
The invention is further described with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of an energy storage container air duct (including a battery cluster and an air conditioner) according to an embodiment of the invention;
FIG. 2 is a schematic top view of an energy storage container duct (including a battery pack and an air conditioner) according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the inter-cluster air duct of the energy storage container air duct of an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an in-cluster air duct (containing a battery cluster) of an energy storage container air duct in accordance with an embodiment of the present invention;
fig. 5 is a schematic perspective view of an energy storage container according to an embodiment of the present invention;
fig. 6 is a longitudinal cut-away schematic view of the energy storage container of fig. 5 (containing the battery clusters, air conditioner and air duct).
Wherein: 1. an inter-cluster air duct; 11. a main air duct; 111. an air guide section; 1111. a first bevel panel; 1112. a first flat panel; 112. a wind converging section; 113. a positive wind section; 12. a branched air duct; 2. an in-cluster air duct; 21. An air guide duct; 211. a second inclined plane plate; 212. a second flat panel; 22. a flow equalizing air duct; 221. a sloping plate; 3. a fan; 4. an air conditioner; 5. a battery cluster; 6. a support frame; 7. and (4) a box body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example (b):
referring to fig. 1 to 6, in the energy storage container according to the embodiment of the present invention, a plurality of battery clusters 5 are arranged in the energy storage container side by side along a length direction of a box body 7 of the energy storage container, any battery cluster 5 is composed of a plurality of battery modules stacked up and down, at least one air conditioner 4 is arranged on the energy storage container, and a fan of the air conditioner 4 is a centrifugal fan. The wind channel includes wind channel 1 and a plurality of interior wind channel 2 of cluster between at least one cluster, the one end of wind channel 1 between the cluster also is the air inlet end of wind channel 1 between the cluster and connects the air outlet of air conditioner 4, the other end of wind channel 1 between the cluster also is the air-out end of wind channel 1 between the cluster and connects the air inlet end of wind channel 2 in the cluster, wind channel 1 sets up the back at battery cluster 5 between the cluster for provide the cold wind of cooling usefulness to the battery module in the battery cluster 5 and the back of every battery cluster 5 is equipped with an interior wind channel 2 of cluster. The air inlet end of the inter-cluster air duct 1 is communicated with the air outlet of the air conditioner 4, and the fan of the air conditioner 4 is a centrifugal fan, so that cold air cooled by the air conditioner 4 can deflect to one side under the action of the centrifugal fan, and in order to realize the same air flow at the air outlet of the inter-cluster air duct 1 and achieve inter-cluster flow equalization, the inter-cluster air duct 1 of the embodiment of the invention is divided into a main air duct 11 and a plurality of branch air ducts 12 along the direction from the air inlet end to the air outlet end of the inter-cluster air duct 1, wherein the main air duct 11 further comprises an air guide section 111, an air collection section 112 and a positive air section 113. The air guiding section 111 is tapered and has a smaller longitudinal section in the direction from the air inlet end to the air outlet end of the inter-cluster air duct 1, that is, the air flow direction is upward, so as to guide and converge the cold air blown out from the air outlet of the air conditioner 4 to the air converging section 112. The air gathering section 112 is flat and gradually reduces the cross section of the air flow in the direction from the air inlet end to the air outlet end of the inter-cluster air duct 1, that is, the air flow is upward, so as to gather the centrifugal cold air at the air outlet of the air conditioner 4 toward the cold air at one side. The positive air section 113 is also of a flat structure and has the same size at each position along the air flow direction, so that the gathered cold air is guided and uniformly distributed to the plurality of branch air ducts 12, the air quantity of the air inlet of each battery cluster 5 is the same, and the inter-cluster flow equalization is realized. The air inlet end of the in-cluster air duct 2 is provided with a fan 3 for guiding cold air of an air conditioner 4 of the inter-cluster air duct 1 from the air inlet end of the inter-cluster air duct 1, namely, the upper end of the battery cluster 5, to the lower end of the in-cluster air duct 2, namely, the lower end of the battery cluster 5, specifically, the panel of the in-cluster air duct 2 in the embodiment of the invention is a panel away from the back of the battery cluster 5 (it is to be noted that the inter-cluster air duct 1 is only enclosed by two side plates and a panel to form a U-shaped air duct, namely, one side of the inter-cluster air duct 1 facing the battery cluster 5 is open, so that the cold air in the inter-cluster air duct 1 is blown to the space between the battery modules of the battery cluster 5 to form cooling and heat dissipation on the battery modules in the battery cluster 5), and is designed to be an inclined plate 221 which is arranged from the top end to the bottom end of the battery cluster 5 and is inclined towards the direction close to the battery cluster 5. Through the setting of swash plate 221 for the temperature and the wind speed of the cooling cold wind of the lower part battery module of battery cluster 5 are unanimous with upper portion battery module, and cold wind evenly distributed reaches the effect that flow equalizes in the cluster behind battery cluster 5, has improved the cooling effect of lower part battery module, and then has improved the cooling effect of cold wind to whole battery cluster 5. According to the air duct, the inter-cluster air duct 1 and the intra-cluster air duct 2 are arranged, and meanwhile, the inter-cluster flow equalization and the intra-cluster flow equalization are achieved by designing the structure of the air duct, so that uniform cooling is achieved, the purpose is achieved, and the heat dissipation and cooling effects are improved.
According to some embodiments of the present invention, as shown in fig. 1, 2 and 5, the number of the air conditioners 4 according to the embodiments of the present invention is two, and as shown in fig. 1 to 3, the number of the inter-cluster air ducts 1 is also two, and the two air conditioners are in one-to-one correspondence. As shown in fig. 1 to 3, the number of the branch air ducts 12 of each inter-cluster air duct 1 is three, the three branch air ducts 12 are respectively and correspondingly connected with three in-cluster channels, and each in-cluster channel corresponds to one battery cluster 5. It should be noted that the number of the inter-cluster air ducts 1 may also be other numbers, such as one, three, etc., corresponding to the number of the air conditioners 4. The number of the branch air ducts 12 is not limited, and when only one inter-cluster passage is provided, the number of the branch air ducts 12 may correspond to the number of the battery clusters 5. When at least two inter-cluster passages are provided, the number of the branch air ducts 12 of each inter-cluster air duct 1 is also not limited, and is at least two, for example, two, three, four, etc., as long as it corresponds to the number of the battery clusters 5. The number of the inter-cluster air ducts 1 is not particularly limited as long as it corresponds to the number of the battery clusters 5.
According to some embodiments of the present invention, as shown in fig. 3, the air guiding section 111 is composed of two side panels, a top panel and a bottom panel, wherein the top panel is a flat panel and is disposed perpendicular to the air conditioner 4, in order to ensure that the wind flow direction of the inter-cluster wind tunnel 1 at the branching node is perpendicular to the air conditioner 4. The bottom panel is composed of a first inclined plane 1111 and a second flat panel 212, the first inclined plane 1111 extends along the direction from the air inlet end to the air outlet end of the inter-cluster air duct 1, that is, the air flow is inclined from bottom to top and is connected with the first flat panel 1112, the first flat panel 1112 is horizontally arranged and is parallel to the top panel, that is, the air guiding section 111 is composed of a conical part and a square part, and forms an air guiding air duct 21 with two horn-mouth-shaped ends, the conical part can guide the air flow, and the square part can converge the air flow to the air collecting section 112 at the rear end. The wind converging section 112 is also composed of a top panel, a bottom panel and two side panels, wherein the top panel and the bottom panel are arranged in parallel to form a flat shape, the top panel and the top panel of the wind guiding section 111 are located on the same horizontal plane, and the size of the top panel and the size of the bottom panel of the wind converging section 112 are reduced along the wind flow direction, that is, the wind converging section 112 is a tapered flat wind channel with a gradually reduced caliber and is used for converging wind deflected to one side. The positive wind section 113 is also composed of two side panels, a bottom panel and a top panel, the top panel and the top panel of the wind converging section 112 are in the same horizontal plane, the two side panels are also arranged in parallel, wherein one end of the positive wind section 113, which is far away from the wind converging section 112, is provided with a plurality of (three in the drawing, but not limited to three, or other numbers) branch ports, all the branch ports at two sides of the middle position are arranged in an inclined manner, and the inclined angle is gradually increased from the middle to the two sides. Preferably, the corresponding panels of the wind guiding section 111, the wind converging section 112 and the positive wind section 113 are an integral structure, which is easy to process and low in cost, and optionally may be formed by welding or by using a connecting piece and sealing. For the branch air ducts 12, the specific shape is not limited, and it is only necessary to ensure that the volumes of all the branch air ducts 12 are the same, and that the air flow of each branch air duct 12 is the same, thereby realizing inter-cluster flow equalization. The control of the branch wind flow can obtain the bifurcation angle at each position according to simulation software simulation. Similarly, the inclination angle of the first inclined plane plate 1111 is not limited, and a reasonable taper can be obtained by performing simulation according to simulation software.
According to some embodiments of the present invention, as shown in fig. 4, in a direction from an air inlet end to an air outlet end of the in-cluster air duct 2, any one of the in-cluster air ducts 2 includes an air guiding duct 21 and a flow equalizing duct 22, the air inlet end of the air guiding duct 21 is provided with a fan 3, the air guiding duct 21 is in a trumpet shape, and a caliber of the air guiding duct 21 is reduced; the inclined plate 221 is a panel of the air equalizing duct 22 far from the back of the battery pack 5. Specifically, the bottom panel of the air guiding duct 21 is composed of a second inclined panel 211 and a second flat panel 212, the second inclined panel 211 is disposed in an inclined manner from outside to inside near the top end of the corresponding battery cluster 5, and the second flat panel 212 is connected to the frame body at the top end of the corresponding battery cluster 5. That is to say, the air inlet end of the in-cluster air duct 2 is also in a trumpet shape, so that the air flow of each branch air duct 12 is guided by the air guide duct 21 and converged to the flow equalizing air duct 22 of the in-cluster air duct 2, which is provided with the inclined plate 221, and the cold air flow is uniformly distributed into the battery modules inside the battery cluster 5 by means of the inclined plate 221, thereby realizing the flow equalizing cooling inside the battery cluster 5.
It should be noted that the inter-cluster air duct 1 according to the embodiment of the present invention is disposed at the top of the battery cluster 5, in order to install the inter-cluster air duct 1, a support frame 6 (fixedly connected by a fixing member such as a bolt) is disposed between the bottom of the inter-cluster air duct 1 and the battery cluster 5, and the top of the inter-cluster air duct 1 is connected with the inner top of the box body 7 of the energy storage container (preferably, fixedly connected by a fixing member such as a bolt via a connecting frame).
In summary, the air duct of the embodiment of the present invention improves the cooling effect of the battery cluster 5 by providing the inter-cluster air duct 1 and the intra-cluster air duct 2, and by inter-cluster flow equalization and intra-cluster flow equalization, and solves the problems that the battery module in the battery cluster 5 has temperature difference to affect the consistency of the battery and reduce the system life in the prior art.
The embodiment of the invention also provides an energy storage container, which comprises the air duct of the embodiment, and also comprises a box body 7, at least one air conditioner 4 arranged on the front surface of the box body 7, wherein a fan of the air conditioner 4 is a centrifugal fan, and a plurality of battery clusters 5 which are vertically arranged side by side are arranged in the box body 7, and any battery cluster 5 is formed by a plurality of battery modules which are arranged in a stacked mode. Due to the adoption of the air duct of the embodiment, the air duct at least has the beneficial effects of the air duct of the embodiment, namely uniform heat dissipation, the consistency of the battery modules in the battery cluster 5 is ensured, the cooling effect of the whole battery cluster 5 is improved, and the service life of the system is prolonged.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (10)

1. The utility model provides an energy storage container wind channel, energy storage container in be equipped with a plurality of battery clusters that set up side by side, its characterized in that, energy storage container on be equipped with at least one air conditioner that adopts centrifugal fan, the wind channel include:
the air inlet end of the at least one inter-cluster air channel is correspondingly communicated with the air outlet of the air conditioner, and along the direction from the air inlet end to the air outlet end of the inter-cluster air channel, any inter-cluster air channel comprises a main air channel and a plurality of branch air channels communicated with the main air channel, the main air channel is sequentially divided into an air guide section, an air gathering section and a positive air section, the air guide section is used for gathering air conditioner air at the air gathering section, the air gathering section is used for gathering cold air deflected to one side of centrifugal air of the air conditioner, the positive air section is used for guiding and evenly distributing the gathered cold air to the plurality of branch air channels, and the number of the branch air channels corresponds to that of the battery clusters;
the air duct comprises a plurality of in-cluster air ducts, wherein the back faces of the battery clusters are arranged in a one-to-one correspondence mode, a panel, far away from the back portions of the corresponding battery clusters, of the in-cluster air ducts is an inclined plate which is obliquely arranged from the top portions to the bottom portions of the corresponding battery clusters towards the direction close to the battery clusters, a fan is arranged at the air inlet end of any one of the in-cluster air ducts, and the air inlet end of any one of the fans is correspondingly connected with an air outlet of one of the branch air ducts.
2. The air duct of claim 1, wherein the air guiding section is trumpet-shaped, and the longitudinal section of the air guiding section becomes smaller along the direction from the air inlet end to the air outlet end of the air duct between clusters;
the air gathering section is flat, and the caliber of the air gathering section is gradually reduced along the direction from the air inlet end to the air outlet end of the inter-cluster air duct;
the positive wind section is also for the platykurtic, just the positive wind section is kept away from the one end of the section that catchments is equipped with in proper order along width direction a plurality of with the branch mouth of a plurality of branch wind channel one-to-one, wherein all branch mouths that are located the intermediate position both sides all incline to set up and inclination is crescent to both sides by the centre.
3. The air duct of claim 2, wherein, along a direction from an air inlet end to an air outlet end of the air duct between clusters, the bottom panel of the air guiding section is composed of a first inclined panel and a first flat panel, the first inclined panel extends obliquely from bottom to top, the first flat panel is connected with the bottom panel of the air collecting section and is flat, and the top panel of the air guiding section is horizontally arranged and perpendicular to the air conditioner.
4. The air duct of claim 2, wherein the bottom panels of the air guiding section, the air collecting section and the positive air section are of an integral structure, the top panel is of an integral structure, and the side panels are of an integral structure.
5. An energy storage container air duct according to any one of claims 1 to 4, wherein all branch air ducts are of equal volume.
6. The air duct of the energy storage container as claimed in claim 1, wherein any one of the in-cluster air ducts comprises an air guide duct and a flow equalizing duct along the direction from the air inlet end to the air outlet end of the in-cluster air duct, the air inlet end of the air guide duct is provided with the fan, the air guide duct is in a horn shape, and the aperture of the air guide duct is reduced; the inclined plate is a panel of the flow equalizing air channel far away from the back of the battery pack.
7. The air duct according to claim 6, wherein the bottom panel of the air duct is composed of a second inclined panel and a second flat panel, the second inclined panel is disposed to be inclined from outside to inside near the top end of the corresponding battery cluster, and the second flat panel is connected to the frame body at the top end of the corresponding battery cluster.
8. The energy storage container air duct of claim 1, wherein the number of the inter-cluster air ducts is at least two, at least two of the inter-cluster air ducts are arranged along the top end of the energy storage container at intervals in the transverse direction, and any one of the inter-cluster air ducts is provided with at least two branch air ducts.
9. An energy storage container air duct according to claim 1 or 8, wherein any one of the inter-cluster air ducts is mounted on the top end of a battery cluster and the top panel of the energy storage container through a support frame, respectively.
10. An energy storage container comprising an energy storage container air duct according to any one of claims 1 to 9.
CN202210532232.6A 2022-05-09 2022-05-09 Energy storage container air duct and energy storage container with same Pending CN114725570A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116995345A (en) * 2023-09-26 2023-11-03 南通中集元能集成科技有限公司 Energy storage container
CN117219918A (en) * 2023-11-09 2023-12-12 四川蜀旺新能源股份有限公司 Power management protection system of photovoltaic power supply battery
WO2024140718A1 (en) * 2022-12-27 2024-07-04 双一力(宁波)电池有限公司 Air-cooled energy storage cabinet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024140718A1 (en) * 2022-12-27 2024-07-04 双一力(宁波)电池有限公司 Air-cooled energy storage cabinet
CN116995345A (en) * 2023-09-26 2023-11-03 南通中集元能集成科技有限公司 Energy storage container
CN116995345B (en) * 2023-09-26 2023-12-12 南通中集元能集成科技有限公司 Energy storage container
CN117219918A (en) * 2023-11-09 2023-12-12 四川蜀旺新能源股份有限公司 Power management protection system of photovoltaic power supply battery
CN117219918B (en) * 2023-11-09 2024-01-26 四川蜀旺新能源股份有限公司 Power management protection system of photovoltaic power supply battery

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